215466054 has 16 divisors (see below), whose sum is σ = 431163648. Its totient is φ = 71783432.

The previous prime is 215466011. The next prime is 215466071. The reversal of 215466054 is 450664512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919 + ... + 21125.

It is an arithmetic number, because the mean of its divisors is an integer number (26947728).

Almost surely, 2^215466054 is an apocalyptic number.

215466054 is an abundant number, since it is smaller than the sum of its proper divisors (215697594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215466054 is a wasteful number, since it uses less digits than its factorization.

215466054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19299.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 215466054 is about 14678.7620050194. The cubic root of 215466054 is about 599.5051976187.

The spelling of 215466054 in words is "two hundred fifteen million, four hundred sixty-six thousand, fifty-four".